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introduction
Ubiquitous networks have brought huge development opportunities to network access devices. With the rapid growth of the network access market, embedded network access has b...[Details]
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This paper proposes a hardware implementation scheme for SPI Flash read and write based on FPGA. This scheme uses hardware to control SPI Flash, which can easily complete Flash read and write, erase,...[Details]
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Introduction Fluorescent lamps, which are widely used for lighting in homes, schools and governments, consume a lot of electricity, contain mercury vapor, are fragile, and have poor safety. ...[Details]
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On October 8, Municipal Party Committee Secretary Ding Xiufeng investigated the development of the city's energy storage industry. Photo On October 8, Municipal Party Committee Secretary Ding Xiufeng ...[Details]
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"Huawei is confident that it will be number one in the global mobile phone market by next year at the latest," said Yu Chengdong, CEO of Huawei's consumer business, in an interview with the media aft...[Details]
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/*******************************************
* File name: PWM.c
* Function: Test the PWM function of s3c2440
* Author: jianqi
* Version: 1.0
*********************************...[Details]
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Design There are two points to note when using AT89C52 to read and write SD cards. First, you need to find a solution to achieve communication between the AT89C52 microcontroller and the SD card. S...[Details]
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In the early telecommunication rooms, the 220V AC power supply was usually rectified to charge the 48V battery pack, which then directly powered the program-controlled switches. With the applicat...[Details]
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1. Experimental purpose: Through this experiment, learn the interrupt processing process of Windows CE6.0 and become familiar with the programming of running interrupts in the driver.
2. M...[Details]
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According to foreign media reports, starting around 2010, a large number of new commercial drone companies have flooded into the market, with abundant venture capital and a dazzling vision of drones ...[Details]
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A black box the size of a child's suitcase, with multiple types of interfaces such as DC and AC power charging ports, USB Type-C ports, etc. densely packed on the top and sides, and a small display on...[Details]
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The underground environment of coal mines is very bad. Landslides and coal dust may occur at any time, which will affect the normal operation of fixed alarms to check gas concentration. The most relia...[Details]
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ADAS is the abbreviation of Advanced Driver Assistance System. Simply put, it makes active judgments and preventive measures before the driver's subjective reaction in an emergency to achieve the r...[Details]
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With the development of mobile Internet, personal information security has also been receiving attention. Recently, an article titled "A stolen mobile phone reveals a black industry chain of stealing...[Details]
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PWM type switching power supply has many advantages, such as high efficiency, small size, etc. Therefore, PWM is widely used as a power supply device in many fields. However, the short duration of th...[Details]
Power technology
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